/**
 * Coinsnap Booking Form — frontend styles.
 * Visual language matches coinsnap-bitcoin-donation.
 *
 * @package coinsnap-bitcoin-booking-form
 */

/* ==========================================================================
   Design Tokens
   ========================================================================== */
:root {
	--coinsnapbbf-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
		Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
	--coinsnapbbf-color-bitcoin:         #f7931a;
	--coinsnapbbf-color-bitcoin-hover:   #e8860f;
	--coinsnapbbf-color-bitcoin-active:  #d67a0d;
	--coinsnapbbf-color-text-primary:    #1e1e1e;
	--coinsnapbbf-color-text-secondary:  #757575;
	--coinsnapbbf-color-text-muted:      #a7a7a7;
	--coinsnapbbf-color-border:          #e0e0e0;
	--coinsnapbbf-color-border-hover:    #c0c0c0;
	--coinsnapbbf-color-border-focus:    #f7931a;
	--coinsnapbbf-color-bg-card:         #ffffff;
	--coinsnapbbf-color-bg-input:        #ffffff;
	--coinsnapbbf-color-bg-input-hover:  #fafafa;
	--coinsnapbbf-color-error:           #cc1818;
	--coinsnapbbf-color-success:         #1a7a3c;
	--coinsnapbbf-color-success-bg:      #f0faf3;
	--coinsnapbbf-color-success-border:  #b8dfc7;
	--coinsnapbbf-color-focus-ring:      rgba(247, 147, 26, 0.25);
	--coinsnapbbf-radius-sm:  4px;
	--coinsnapbbf-radius-md:  8px;
	--coinsnapbbf-radius-lg:  12px;
	--coinsnapbbf-shadow:     0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
	--coinsnapbbf-transition: 200ms ease;
}

/* ==========================================================================
   Payment modal (iframe overlay)
   ========================================================================== */

.coinsnapbbf-modal-backdrop {
	display: none;
	position: fixed;
	inset: 0;
	z-index: 999999;
	background: rgba(0, 0, 0, 0.65);
	align-items: center;
	justify-content: center;
}

.coinsnapbbf-modal {
	position: relative;
	width: 100vw;
	height: 100vh;
	background: #fff;
	overflow: hidden;
}

.coinsnapbbf-modal-iframe {
	width: 100%;
	height: 100%;
	border: none;
	background: #fff;
}

/* ==========================================================================
   Form wrapper
   ========================================================================== */

.coinsnapbbf-form-wrap {
	max-width: 400px;
	margin: 20px auto;
	padding: 28px;
	background: var(--coinsnapbbf-color-bg-card);
	border: 1px solid var(--coinsnapbbf-color-border);
	border-radius: var(--coinsnapbbf-radius-lg);
	box-shadow: var(--coinsnapbbf-shadow);
	font-family: var(--coinsnapbbf-font-family);
	font-size: 14px;
	line-height: 1.5;
	box-sizing: border-box;
}

.coinsnapbbf-form-wrap *,
.coinsnapbbf-form-wrap *::before,
.coinsnapbbf-form-wrap *::after {
	box-sizing: border-box;
}

/* ==========================================================================
   Form title
   ========================================================================== */

.coinsnapbbf-form-title {
	margin: 0 0 20px;
	font-size: 18px;
	font-weight: 700;
	line-height: 1.3;
	color: var(--coinsnapbbf-color-text-primary);
}

/* ==========================================================================
   Products list
   ========================================================================== */

.coinsnapbbf-products {
	display: flex;
	flex-direction: column;
	gap: 8px;
	margin-bottom: 16px;
}

.coinsnapbbf-product-item {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 12px 14px;
	border: 1px solid var(--coinsnapbbf-color-border);
	border-radius: var(--coinsnapbbf-radius-md);
	cursor: pointer;
	transition: border-color var(--coinsnapbbf-transition), background var(--coinsnapbbf-transition);
	user-select: none;
}

.coinsnapbbf-product-item:hover {
	border-color: var(--coinsnapbbf-color-bitcoin);
	background: rgba(247, 147, 26, 0.04);
}

.coinsnapbbf-product-item:has(.coinsnapbbf-product-control:checked) {
	border-color: var(--coinsnapbbf-color-bitcoin);
	background: rgba(247, 147, 26, 0.08);
}

.coinsnapbbf-product-control {
	flex-shrink: 0;
	width: 18px;
	height: 18px;
	cursor: pointer;
	accent-color: var(--coinsnapbbf-color-bitcoin);
}

.coinsnapbbf-product-info {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	flex: 1;
	gap: 10px;
	min-width: 0;
}

.coinsnapbbf-product-description {
	font-size: 14px;
	color: var(--coinsnapbbf-color-text-primary);
	white-space: normal;
	word-break: break-word;
}

.coinsnapbbf-product-price {
	flex-shrink: 0;
	font-size: 14px;
	font-weight: 600;
	color: var(--coinsnapbbf-color-text-primary);
	white-space: nowrap;
}

/* ==========================================================================
   Total bar
   ========================================================================== */

.coinsnapbbf-total-bar {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 10px 14px;
	background: var(--coinsnapbbf-color-bg-input-hover);
	border: 1px solid var(--coinsnapbbf-color-border);
	border-radius: var(--coinsnapbbf-radius-md);
	font-size: 15px;
	transition: background var(--coinsnapbbf-transition), border-color var(--coinsnapbbf-transition);
}

.coinsnapbbf-total-bar.has-total {
	background: rgba(247, 147, 26, 0.06);
	border-color: var(--coinsnapbbf-color-bitcoin);
}

.coinsnapbbf-total-label {
	font-weight: 600;
	color: var(--coinsnapbbf-color-text-secondary);
}

.coinsnapbbf-total-value {
	font-size: 18px;
	font-weight: 700;
	color: var(--coinsnapbbf-color-bitcoin);
	letter-spacing: 0.01em;
}

/* ==========================================================================
   Bitcoin Discount box
   ========================================================================== */

.coinsnapbbf-discount-box {
	margin-top: 8px;
	padding: 10px 14px;
	border: 1px solid var(--coinsnapbbf-color-success-border);
	border-radius: var(--coinsnapbbf-radius-md);
	background: var(--coinsnapbbf-color-success-bg);
	font-size: 14px;
}

.coinsnapbbf-discount-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 8px;
}

.coinsnapbbf-discount-row + .coinsnapbbf-discount-row {
	margin-top: 6px;
}

.coinsnapbbf-discount-regular .coinsnapbbf-discount-regular-price {
	text-decoration: line-through;
	color: var(--coinsnapbbf-color-text-muted);
}

.coinsnapbbf-discount-btc {
	color: var(--coinsnapbbf-color-success);
	font-weight: 600;
}

.coinsnapbbf-discount-btc-label {
	display: flex;
	align-items: center;
	gap: 5px;
}

.coinsnapbbf-discount-icon {
	flex-shrink: 0;
	color: var(--coinsnapbbf-color-success);
}

.coinsnapbbf-discount-btc-price {
	font-size: 16px;
	font-weight: 700;
	white-space: nowrap;
}

/* ==========================================================================
   Error state
   ========================================================================== */

.coinsnapbbf-error {
	color: var(--coinsnapbbf-color-error);
	font-style: italic;
}

/* ==========================================================================
   Checkout form fields
   ========================================================================== */

.coinsnapbbf-checkout-form {
	margin-top: 20px;
}

.coinsnapbbf-field {
	display: flex;
	flex-direction: column;
	gap: 6px;
	margin-bottom: 14px;
}

.coinsnapbbf-field label {
	display: block;
	font-weight: 600;
	font-size: 13px;
	color: var(--coinsnapbbf-color-text-primary);
	letter-spacing: 0.01em;
}

.coinsnapbbf-required {
	color: var(--coinsnapbbf-color-error);
	margin-left: 2px;
}

.coinsnapbbf-field input[type="text"],
.coinsnapbbf-field input[type="email"],
.coinsnapbbf-field textarea {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--coinsnapbbf-color-border);
	border-radius: var(--coinsnapbbf-radius-md);
	font-family: var(--coinsnapbbf-font-family);
	font-size: 14px;
	line-height: 1.5;
	color: var(--coinsnapbbf-color-text-primary);
	background: var(--coinsnapbbf-color-bg-input);
	outline: none;
	transition: border-color var(--coinsnapbbf-transition), box-shadow var(--coinsnapbbf-transition);
}

.coinsnapbbf-field input[type="text"]:hover,
.coinsnapbbf-field input[type="email"]:hover,
.coinsnapbbf-field textarea:hover {
	border-color: var(--coinsnapbbf-color-border-hover);
	background: var(--coinsnapbbf-color-bg-input-hover);
}

.coinsnapbbf-field input[type="text"]:focus,
.coinsnapbbf-field input[type="email"]:focus,
.coinsnapbbf-field textarea:focus {
	border-color: var(--coinsnapbbf-color-border-focus);
	box-shadow: 0 0 0 3px var(--coinsnapbbf-color-focus-ring);
	background: var(--coinsnapbbf-color-bg-input);
}

.coinsnapbbf-field textarea {
	resize: vertical;
	min-height: 80px;
}

/* ==========================================================================
   Honeypot
   ========================================================================== */

.coinsnapbbf-hp {
	position: absolute;
	left: -9999px;
	top: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
	opacity: 0;
	pointer-events: none;
}

/* ==========================================================================
   Error / success messages
   ========================================================================== */

.coinsnapbbf-messages {
	min-height: 1.4em;
	margin-bottom: 12px;
	font-size: 13px;
	font-weight: 500;
}

.coinsnapbbf-messages.is-error {
	color: var(--coinsnapbbf-color-error);
}

.coinsnapbbf-messages.is-hidden {
	display: none;
}

/* ==========================================================================
   Submit button
   ========================================================================== */

.coinsnapbbf-submit-btn {
	margin-top: 20px;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 100%;
	padding: 12px 20px;
	font-family: var(--coinsnapbbf-font-family);
	font-size: 15px;
	font-weight: 600;
	letter-spacing: 0.02em;
	line-height: 1.4;
	color: #fff;
	background: var(--coinsnapbbf-color-bitcoin);
	border: none;
	border-radius: var(--coinsnapbbf-radius-md);
	cursor: pointer;
	transition: background-color var(--coinsnapbbf-transition),
	            box-shadow var(--coinsnapbbf-transition),
	            transform var(--coinsnapbbf-transition);
}

.coinsnapbbf-submit-btn:hover {
	background: var(--coinsnapbbf-color-bitcoin-hover);
	box-shadow: 0 2px 8px rgba(247, 147, 26, 0.35);
	transform: translateY(-1px);
}

.coinsnapbbf-submit-btn:active {
	background: var(--coinsnapbbf-color-bitcoin-active);
	box-shadow: none;
	transform: translateY(0);
}

.coinsnapbbf-submit-btn:focus-visible {
	outline: 2px solid var(--coinsnapbbf-color-bitcoin);
	outline-offset: 2px;
}

.coinsnapbbf-submit-btn:disabled,
.coinsnapbbf-submit-btn.is-loading {
	opacity: 0.6;
	cursor: not-allowed;
	transform: none;
	box-shadow: none;
}

.coinsnapbbf-submit-btn.is-loading::after {
	content: ' …';
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media ( max-width: 480px ) {
	.coinsnapbbf-form-wrap {
		padding: 20px 16px;
	}

	.coinsnapbbf-product-info {
		flex-direction: column;
		gap: 4px;
	}

	.coinsnapbbf-product-price {
		font-size: 13px;
	}

	.coinsnapbbf-total-value {
		font-size: 16px;
	}
}